Biosafety Quiz 5: Chemical Safety
Check off all the Potential Hazards that may be encountered in an emergency.
7.11 Bio Electrical Fire Blood Chemical Vacuum pump at 120dB Leaking nitrogen tank Water on floor Exposed hot steam line
Flashpoint definition:
A) The minimum temperature needed to produce vapors that will ignite if an ignition source is present.
The signs & symptoms of a chemical exposure are dependent upon:
A) pH of the agent B) Concentration of the agent C) Length of contact time D) Amount of agent involved E) Site of contact F) Whether swallowed or inhaled G) Whether or not skin is intac H) All of the above
The 4 Chemical categories include:
C) Ignitability, Reactivity, Corrosivity, Toxicity
When is it OK to have hazardous liquid chemicals out of secondary containment?
C) While you are actively using the chemical in the lab
Which is NOT one of the six warning signs of chemical exposure?
Constipation
Chronic effects occur from one isolated incident.
False
Flammable liquids have a flashpoint > 141o F.
False
Latex gloves are adequate protection when handling chemicals.
False
You are allowed to use an acronym such as H2O (for water) when labeling a beaker containing H2O.
False
What are the 3 (three) elements of the fire triangle?
Oxygen Fuel Ignition Source
Chemicals might enter the body through which entry routes (Check all that apply that were covered in class.)
Puncture Ingestion Inhalation Absorption
Segregation of chemicals: Which one of these rules does NOT apply?
Separate water reactive chemicals from non-aqueous solutions
"Difficulty in Concentrating" is one of the signs of chemical exposure.
True
Corrosives and oxidizers should not be stored together.
True
Small amounts of certain chemicals can be acutely toxic.
True
What is the first thing that you should do when you start filling a hazardous waste bottle?
Write in the Accumulation start date
Combining a corrosives with a flammable can produce
explosion/fire
Which of the following parts of the body have a "LOW" chemical absorption rate?
palms
What are the reaction products of combining an acid with a base?
salts and extreme heat
